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Sunil Darla (SunilKumarD)
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SunilKumarD Member since 2012 18 posts
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Posted: July 14, 2015
Last activity: July 21, 2017
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poi jar files conflicts in 7.1.8

We have recently upgraded our environment from 6.3 SP 1 to 7.1.8 and we are getting some issues with POI jar file compatibility post upgrade.

POI JAR files are mentioned within our class path and they are getting picked up.But any references to classes in JAR files through R-U-Function or Library rules is throowing exceptions.

Caused by: java.lang.LinkageError: loader constraint violation: loader (instance of com/pega/pegarules/exec/internal/util/classloader/PRClassLoaderDB$Loader) previously initiated loading for a different type with name "org/apache/poi/ss/usermodel/Sheet"

Here are the set of poi files being used

xmlbeans-2.6.0.jar:

poi-scratchpad-3.11.0.jar:

poi-ooxml-schemas-3.11.0.jar:

poi-ooxml-3.11.0.jar:

poi-excelant-3.11.0.jar:

poi-examples-3.11.0.jar:

poi-3.11.0.jar:

ooxml-schemas-1.1.jar:

Just wanted to know if there are any POI jar files already provided as part of the base product ?

Are the above set of JAR files not compatible with Pega 7.1.8 ?

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